"OK, adj., int.1, n.2, and adv." OED Online. Oxford University Press, December 2021. Web. 9 December 2021.

"OK, adj., int.1, n.2, and adv." OED Online, Oxford University Press, December 2021, www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=EFE257E75819B66E840986C316E4EB06. Accessed 9 December 2021.

"OK, adj., int.1, n.2, and adv.". OED Online. December 2021. Oxford University Press. https://www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=EFE257E75819B66E840986C316E4EB06 (accessed December 09, 2021).